Comant's CI 105-6 DME/Transponder antenna is identical to the CI 105 in operating characteristics, except it will provide the popular 4-hole external mounting typical on some turbo-prop and jet aircraft. 
This antenna (CI-105-6) includes a BNC connector, covers 960-1220 MHz and 1030-1090 MHz frequencies, and is rated to 400 Knots TAS at 25,000 ft.
FEATURES
SPECIFICATIONS
Encased in a glass reinforced polyester molded shell
Four hole flange mounting
BNC connector
2.5 KW peak RF power
50Ω impedance
Vertical polarization
Weight:
0.4 lb
Dimensions (height):
3.31 in
Finish:
polyurethane enamel
Material:
molded radome
Connector:
BNC (female)
Frequency: 
960 - 1220 MHz
VSWR:
1.5:1 @ 960 - 1220 MHz, maximum
1.3:1 @ 1025 - 1150 MHz, maximum
Polarization:
Vertical
Radiation pattern:
equivalent to a 1/4 wave stub 
Impedance:
50Ω
Resistance DC:
open circuit
Power RF:
2.5 KW Peak
Temperature:
-54° to 55° C
Altitude: 
70,000 ft
Airspeed:
400 Knots TAS at 25,000 ft
Gasket:
B10505
PRODUCT CODES
Mfr Part No:
CI 105-6
ECCN:
7A994
PROAPP:
PT2316NM
SCHEDULE B CODE:
8529.10.4000
TSO:
C66b,C74c
DOCUMENTATION